Wild Kratts"Secrets of the Spider's Web"
When the creature adventuring Kratt Brothers take a nasty tumble, the Wild Kratts sets off on a mission to find and recreate one of the greatest of all biotech engineering secrets. Spider silk. D

4:30 pm

Cyberchase"Trick Or Treat"
Hacker shows up at Motherboard Control Central. He pleads guilty to being the King of Chaos, but says he's sorry. He doesn't want to be a bad guy anymore. D

5:00 pm

Fetch! With Ruff Ruffman"Just Toying with Ruff"
Harsha and Sammy become radio reporters and do a news piece on Brian Freeze while Noel and DJ invent a new Ruff Ruffman toy. D

Nature"Raccoon Nation"
These crafty, clever omnivores have moved to town - Chicago, New York and Toronto, plus cities and towns across Idaho. With their busy little hands, they open doors, get into attics and raid secured trash cans. Using night-vision cameras and raccoon-proof radio collars, scientists set out to follow urban raccoons to observe their habits and lifestyles.G

8:00 pm

NOVA"Ghosts of Machu Picchu"
NOVA joins a new generation of archaeologists as they probe areas of Peru's Machu Picchu that haven't been touched since the time of the Incas. They unearth burials of the people who built the site, and seek answers to origins of the city, high in the Andes and deserted by the time of the Spanish conquistadors. Recent work has uncovered new areas of the city and advanced new theories about it.G

9:00 pm

NOVA scienceNOW"Can I Eat That?"
David Pogue, popular technology reporter for The New York Times, is the new host of this science magazine series. What are the secrets behind your favorite foods? Why are some treats -- like chocolate chip cookies -- delectable, while others -- like cookies made with mealworms -- disgusting? You might think you understand what makes something sweet, salty or bitter, but Pogue gets a taste of a much more complicated truth, as he ventures into labs and kitchens where everything from apple pie to Thanksgiving turkey to juicy grasshoppers is diced, sliced, dissected and put under the microscope. If scientists can uncover exactly what's behind the mouth-watering flavors and textures we take for granted every day, could they help us enjoy our food more -- without packing on the pounds?. D

10:00 pm

Hustle
The gang is in shock - Mickey is conned. According to the age-old laws of grifting, when a grifter is conned, it means a run of bad luck follows. The team needs to do something to restore the balance. They research the company that conned Mickey, which leads them to a cocky and slimy businessman, and the team works on a plan to reel him in.G